/* * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include "sdkconfig.h" #include "soc/soc_caps.h" #include "esp_sleep.h" #include "esp_log.h" #include "esp_check.h" #include "esp_private/startup_internal.h" #include "esp_private/sleep_retention.h" #include "esp_regdma.h" #include "soc/uart_reg.h" #include "soc/systimer_reg.h" #include "soc/timer_group_reg.h" #include "soc/spi_mem_reg.h" #include "soc/hp_system_reg.h" #include "soc/tee_reg.h" #include "soc/hp_apm_reg.h" #include "soc/gpio_reg.h" #include "soc/io_mux_reg.h" #include "soc/interrupt_matrix_reg.h" #include "hal/mwdt_ll.h" static __attribute__((unused)) const char *TAG = "sleep_sys_periph"; #define SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT (REGDMA_LINK_PRI_6) static __attribute__((unused)) esp_err_t sleep_sys_periph_intr_matrix_retention_init(void *arg) { #define N_REGS_INTR_MATRIX() (((INTMTX_CORE0_CLOCK_GATE_REG - DR_REG_INTERRUPT_MATRIX_BASE) / 4) + 1) const static sleep_retention_entries_config_t intr_matrix_regs_retention[] = { [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_INTMTX_LINK(0), DR_REG_INTERRUPT_MATRIX_BASE, DR_REG_INTERRUPT_MATRIX_BASE, N_REGS_INTR_MATRIX(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* intr matrix */ }; esp_err_t err = sleep_retention_entries_create(intr_matrix_regs_retention, ARRAY_SIZE(intr_matrix_regs_retention), REGDMA_LINK_PRI_5, SLEEP_RETENTION_MODULE_SYS_PERIPH); ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "Interrupt matrix"); ESP_LOGD(TAG, "Interrupt Matrix sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_hp_system_retention_init(void *arg) { #define N_REGS_HP_SYSTEM() (((HP_SYSTEM_MEM_TEST_CONF_REG - DR_REG_HP_SYSTEM_BASE) / 4) + 1) const static sleep_retention_entries_config_t hp_system_regs_retention[] = { [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_HPSYS_LINK(0), DR_REG_HP_SYSTEM_BASE, DR_REG_HP_SYSTEM_BASE, N_REGS_HP_SYSTEM(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* hp system */ }; esp_err_t err = sleep_retention_entries_create(hp_system_regs_retention, ARRAY_SIZE(hp_system_regs_retention), REGDMA_LINK_PRI_5, SLEEP_RETENTION_MODULE_SYS_PERIPH); ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "HP system"); ESP_LOGD(TAG, "HP System sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_tee_apm_retention_init(void *arg) { #define N_REGS_TEE() (((TEE_CLOCK_GATE_REG - DR_REG_TEE_BASE) / 4) + 1) #define N_REGS_APM() (((HP_APM_CLOCK_GATE_REG - DR_REG_HP_APM_BASE) / 4) + 1) const static sleep_retention_entries_config_t tee_apm_regs_retention[] = { [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TEEAPM_LINK(0), DR_REG_HP_APM_BASE, DR_REG_HP_APM_BASE, N_REGS_APM(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* apm */ [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TEEAPM_LINK(1), DR_REG_TEE_BASE, DR_REG_TEE_BASE, N_REGS_TEE(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* tee */ }; esp_err_t err = sleep_retention_entries_create(tee_apm_regs_retention, ARRAY_SIZE(tee_apm_regs_retention), REGDMA_LINK_PRI_4, SLEEP_RETENTION_MODULE_SYS_PERIPH); if (err == ESP_OK) { const static sleep_retention_entries_config_t regs_highpri_retention[] = { [0] = { .config = REGDMA_LINK_WRITE_INIT(REGDMA_TEEAPM_LINK(2), TEE_M4_MODE_CTRL_REG, 0x0, 0xffffffff, 1, 0), .owner = ENTRY(2) } }; err = sleep_retention_entries_create(regs_highpri_retention, ARRAY_SIZE(regs_highpri_retention), REGDMA_LINK_PRI_2, SLEEP_RETENTION_MODULE_SYS_PERIPH); } ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "TEE/APM"); ESP_LOGD(TAG, "TEE/APM sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_uart0_retention_init(void *arg) { #define N_REGS_UART() (((UART_ID_REG(0) - UART_INT_RAW_REG(0)) / 4) + 1) const static sleep_retention_entries_config_t uart_regs_retention[] = { [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_UART_LINK(0x00), UART_INT_RAW_REG(0), UART_INT_RAW_REG(0), N_REGS_UART(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* uart */ /* Note: uart register should set update reg to make the configuration take effect */ [1] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_UART_LINK(0x01), UART_REG_UPDATE_REG(0), UART_REG_UPDATE, UART_REG_UPDATE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [2] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_UART_LINK(0x02), UART_REG_UPDATE_REG(0), 0x0, UART_REG_UPDATE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) } }; esp_err_t err = sleep_retention_entries_create(uart_regs_retention, ARRAY_SIZE(uart_regs_retention), REGDMA_LINK_PRI_5, SLEEP_RETENTION_MODULE_SYS_PERIPH); ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "UART"); ESP_LOGD(TAG, "UART sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_tg0_retention_init(void *arg) { #define N_REGS_TG() (((TIMG_REGCLK_REG(0) - REG_TIMG_BASE(0)) / 4) + 1) const static sleep_retention_entries_config_t tg_regs_retention[] = { /*Timer group0 backup. T0_wdt should get of write project firstly. wdt used by RTOS.*/ [0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x00), TIMG_WDTWPROTECT_REG(0), TIMG_WDT_WKEY_VALUE, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, /* TG0 */ [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TIMG_LINK(0x01), REG_TIMG_BASE(0), REG_TIMG_BASE(0), N_REGS_TG(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [2] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x02), TIMG_WDTWPROTECT_REG(0), TIMG_WDT_WKEY_VALUE, TIMG_WDT_WKEY_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [3] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x03), TIMG_WDTCONFIG0_REG(0), TIMG_WDT_CONF_UPDATE_EN, TIMG_WDT_CONF_UPDATE_EN_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [4] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x04), TIMG_T0UPDATE_REG(0), TIMG_T0_UPDATE, TIMG_T0_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) }, [5] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_TIMG_LINK(0x05), TIMG_T0UPDATE_REG(0), 0x0, TIMG_T0_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) }, [6] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_TIMG_LINK(0x06), TIMG_T0LO_REG(0), TIMG_T0LOADLO_REG(0), 2, 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [7] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_TIMG_LINK(0x07), TIMG_T0LOAD_REG(0), 0x1, TIMG_T0_LOAD_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) } }; esp_err_t err = sleep_retention_entries_create(tg_regs_retention, ARRAY_SIZE(tg_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_SYS_PERIPH); ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "Timer Group"); ESP_LOGD(TAG, "Timer Group sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_iomux_retention_init(void *arg) { #if CONFIG_IDF_TARGET_ESP32C6 #define N_REGS_IOMUX_0() (((PERIPHS_IO_MUX_SPID_U - REG_IO_MUX_BASE) / 4) + 1) #define N_REGS_IOMUX_1() (((GPIO_FUNC34_OUT_SEL_CFG_REG - GPIO_FUNC0_OUT_SEL_CFG_REG) / 4) + 1) #define N_REGS_IOMUX_2() (((GPIO_FUNC124_IN_SEL_CFG_REG - GPIO_STATUS_NEXT_REG) / 4) + 1) #define N_REGS_IOMUX_3() (((GPIO_PIN34_REG - DR_REG_GPIO_BASE) / 4) + 1) #elif CONFIG_IDF_TARGET_ESP32H2 #define N_REGS_IOMUX_0() (((PERIPHS_IO_MUX_SPID_U - REG_IO_MUX_BASE) / 4) + 1) #define N_REGS_IOMUX_1() (((GPIO_FUNC31_OUT_SEL_CFG_REG - GPIO_FUNC0_OUT_SEL_CFG_REG) / 4) + 1) #define N_REGS_IOMUX_2() (((GPIO_FUNC124_IN_SEL_CFG_REG - GPIO_STATUS_NEXT_REG) / 4) + 1) #define N_REGS_IOMUX_3() (((GPIO_PIN31_REG - DR_REG_GPIO_BASE) / 4) + 1) #endif const static sleep_retention_entries_config_t iomux_regs_retention[] = { [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x00), REG_IO_MUX_BASE, REG_IO_MUX_BASE, N_REGS_IOMUX_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* io_mux */ [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x01), GPIO_FUNC0_OUT_SEL_CFG_REG, GPIO_FUNC0_OUT_SEL_CFG_REG, N_REGS_IOMUX_1(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x02), GPIO_STATUS_NEXT_REG, GPIO_STATUS_NEXT_REG, N_REGS_IOMUX_2(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [3] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_IOMUX_LINK(0x03), DR_REG_GPIO_BASE, DR_REG_GPIO_BASE, N_REGS_IOMUX_3(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } }; esp_err_t err = sleep_retention_entries_create(iomux_regs_retention, ARRAY_SIZE(iomux_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_SYS_PERIPH); ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "IO Matrix"); ESP_LOGD(TAG, "IO Matrix sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_spimem_retention_init(void *arg) { #define N_REGS_SPI1_MEM_0() (((SPI_MEM_SPI_SMEM_DDR_REG(1) - REG_SPI_MEM_BASE(1)) / 4) + 1) #define N_REGS_SPI1_MEM_1() (((SPI_MEM_SPI_SMEM_AC_REG(1) - SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(1)) / 4) + 1) #define N_REGS_SPI1_MEM_2() (1) #define N_REGS_SPI1_MEM_3() (((SPI_MEM_DATE_REG(1) - SPI_MEM_MMU_POWER_CTRL_REG(1)) / 4) + 1) #define N_REGS_SPI0_MEM_0() (((SPI_MEM_SPI_SMEM_DDR_REG(0) - REG_SPI_MEM_BASE(0)) / 4) + 1) #define N_REGS_SPI0_MEM_1() (((SPI_MEM_SPI_SMEM_AC_REG(0) - SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(0)) / 4) + 1) #define N_REGS_SPI0_MEM_2() (1) #define N_REGS_SPI0_MEM_3() (((SPI_MEM_DATE_REG(0) - SPI_MEM_MMU_POWER_CTRL_REG(0)) / 4) + 1) const static sleep_retention_entries_config_t spimem_regs_retention[] = { /* Note: SPI mem should not to write mmu SPI_MEM_MMU_ITEM_CONTENT_REG and SPI_MEM_MMU_ITEM_INDEX_REG */ [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x00), REG_SPI_MEM_BASE(1), REG_SPI_MEM_BASE(1), N_REGS_SPI1_MEM_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* spi1_mem */ [1] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x01), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(1), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(1), N_REGS_SPI1_MEM_1(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x02), SPI_MEM_CLOCK_GATE_REG(1), SPI_MEM_CLOCK_GATE_REG(1), N_REGS_SPI1_MEM_2(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [3] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x03), SPI_MEM_MMU_POWER_CTRL_REG(1), SPI_MEM_MMU_POWER_CTRL_REG(1), N_REGS_SPI1_MEM_3(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* Note: SPI mem should not to write mmu SPI_MEM_MMU_ITEM_CONTENT_REG and SPI_MEM_MMU_ITEM_INDEX_REG */ [4] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x04), REG_SPI_MEM_BASE(0), REG_SPI_MEM_BASE(0), N_REGS_SPI0_MEM_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* spi0_mem */ [5] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x05), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(0), SPI_MEM_SPI_FMEM_PMS0_ATTR_REG(0), N_REGS_SPI0_MEM_1(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [6] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x06), SPI_MEM_CLOCK_GATE_REG(0), SPI_MEM_CLOCK_GATE_REG(0), N_REGS_SPI0_MEM_2(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [7] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SPIMEM_LINK(0x07), SPI_MEM_MMU_POWER_CTRL_REG(0), SPI_MEM_MMU_POWER_CTRL_REG(0), N_REGS_SPI0_MEM_3(), 0, 0), .owner = ENTRY(0) | ENTRY(2) } }; esp_err_t err = sleep_retention_entries_create(spimem_regs_retention, ARRAY_SIZE(spimem_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_SYS_PERIPH); ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "SPI mem"); ESP_LOGD(TAG, "SPI Mem sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_systimer_retention_init(void *arg) { #define N_REGS_SYSTIMER_0() (((SYSTIMER_TARGET2_CONF_REG - SYSTIMER_TARGET0_HI_REG) / 4) + 1) const static sleep_retention_entries_config_t systimer_regs_retention[] = { [0] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x00), SYSTIMER_UNIT0_OP_REG, SYSTIMER_TIMER_UNIT0_UPDATE_M, SYSTIMER_TIMER_UNIT0_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) }, /* Systimer */ [1] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_SYSTIMER_LINK(0x01), SYSTIMER_UNIT0_OP_REG, SYSTIMER_TIMER_UNIT0_VALUE_VALID, SYSTIMER_TIMER_UNIT0_VALUE_VALID, 0, 1), .owner = ENTRY(0) | ENTRY(2) }, [2] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x02), SYSTIMER_UNIT0_VALUE_HI_REG, SYSTIMER_UNIT0_LOAD_HI_REG, 2, 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [3] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x03), SYSTIMER_UNIT0_LOAD_REG, SYSTIMER_TIMER_UNIT0_LOAD_M, SYSTIMER_TIMER_UNIT0_LOAD_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [4] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x04), SYSTIMER_UNIT1_OP_REG, SYSTIMER_TIMER_UNIT1_UPDATE_M, SYSTIMER_TIMER_UNIT1_UPDATE_M, 0, 1), .owner = ENTRY(0) | ENTRY(2) }, [5] = { .config = REGDMA_LINK_WAIT_INIT (REGDMA_SYSTIMER_LINK(0x05), SYSTIMER_UNIT1_OP_REG, SYSTIMER_TIMER_UNIT1_VALUE_VALID, SYSTIMER_TIMER_UNIT1_VALUE_VALID, 0, 1), .owner = ENTRY(0) | ENTRY(2) }, [6] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x06), SYSTIMER_UNIT1_VALUE_HI_REG, SYSTIMER_UNIT1_LOAD_HI_REG, 2, 0, 0), .owner = ENTRY(0) | ENTRY(2) }, [7] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x07), SYSTIMER_UNIT1_LOAD_REG, SYSTIMER_TIMER_UNIT1_LOAD_M, SYSTIMER_TIMER_UNIT1_LOAD_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [8] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x08), SYSTIMER_TARGET0_HI_REG, SYSTIMER_TARGET0_HI_REG, N_REGS_SYSTIMER_0(), 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* Systimer target value & period */ [9] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x09), SYSTIMER_COMP0_LOAD_REG, SYSTIMER_TIMER_COMP0_LOAD, SYSTIMER_TIMER_COMP0_LOAD, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [10] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0a), SYSTIMER_COMP1_LOAD_REG, SYSTIMER_TIMER_COMP1_LOAD, SYSTIMER_TIMER_COMP1_LOAD, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [11] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0b), SYSTIMER_COMP2_LOAD_REG, SYSTIMER_TIMER_COMP2_LOAD, SYSTIMER_TIMER_COMP2_LOAD, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [12] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0c), SYSTIMER_TARGET0_CONF_REG, 0, SYSTIMER_TARGET0_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [13] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0d), SYSTIMER_TARGET0_CONF_REG, SYSTIMER_TARGET0_PERIOD_MODE_M, SYSTIMER_TARGET0_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [14] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0e), SYSTIMER_TARGET1_CONF_REG, 0, SYSTIMER_TARGET1_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [15] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x0f), SYSTIMER_TARGET1_CONF_REG, SYSTIMER_TARGET1_PERIOD_MODE_M, SYSTIMER_TARGET1_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [16] = { .config = REGDMA_LINK_WRITE_INIT (REGDMA_SYSTIMER_LINK(0x10), SYSTIMER_TARGET2_CONF_REG, 0, SYSTIMER_TARGET2_PERIOD_MODE_M, 1, 0), .owner = ENTRY(0) | ENTRY(2) }, [17] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x11), SYSTIMER_CONF_REG, SYSTIMER_CONF_REG, 1, 0, 0), .owner = ENTRY(0) | ENTRY(2) }, /* Systimer work enable */ [18] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_SYSTIMER_LINK(0x12), SYSTIMER_INT_ENA_REG, SYSTIMER_INT_ENA_REG, 1, 0, 0), .owner = ENTRY(0) | ENTRY(2) } /* Systimer intr enable */ }; esp_err_t err = sleep_retention_entries_create(systimer_regs_retention, ARRAY_SIZE(systimer_regs_retention), SLEEP_RETENTION_PERIPHERALS_PRIORITY_DEFAULT, SLEEP_RETENTION_MODULE_SYS_PERIPH); ESP_RETURN_ON_ERROR(err, TAG, "failed to allocate memory for digital peripherals (%s) retention", "SysTimer"); ESP_LOGD(TAG, "SysTimer sleep retention initialization"); return ESP_OK; } static __attribute__((unused)) esp_err_t sleep_sys_periph_retention_init(void *arg) { esp_err_t err; err = sleep_sys_periph_intr_matrix_retention_init(arg); if(err) goto error; err = sleep_sys_periph_hp_system_retention_init(arg); if(err) goto error; err = sleep_sys_periph_tee_apm_retention_init(arg); if(err) goto error; err = sleep_sys_periph_uart0_retention_init(arg); if(err) goto error; err = sleep_sys_periph_tg0_retention_init(arg); if(err) goto error; err = sleep_sys_periph_iomux_retention_init(arg); if(err) goto error; err = sleep_sys_periph_spimem_retention_init(arg); if(err) goto error; err = sleep_sys_periph_systimer_retention_init(arg); error: return err; } bool IRAM_ATTR peripheral_domain_pd_allowed(void) { #if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP const uint32_t inited_modules = sleep_retention_get_inited_modules(); const uint32_t created_modules = sleep_retention_get_created_modules(); const uint32_t mask = (const uint32_t) (BIT(SLEEP_RETENTION_MODULE_SYS_PERIPH)); return ((inited_modules & mask) == (created_modules & mask)); #else return false; #endif } #if CONFIG_PM_POWER_DOWN_PERIPHERAL_IN_LIGHT_SLEEP ESP_SYSTEM_INIT_FN(sleep_sys_periph_startup_init, BIT(0), 107) { sleep_retention_module_init_param_t init_param = { .cbs = { .create = { .handle = sleep_sys_periph_retention_init, .arg = NULL } }, .depends = BIT(SLEEP_RETENTION_MODULE_CLOCK_SYSTEM) }; esp_err_t err = sleep_retention_module_init(SLEEP_RETENTION_MODULE_SYS_PERIPH, &init_param); if (err == ESP_OK) { err = sleep_retention_module_allocate(SLEEP_RETENTION_MODULE_SYS_PERIPH); if (err != ESP_OK) { ESP_LOGW(TAG, "failed to allocate sleep retention linked list for system peripherals retention"); } } return ESP_OK; } #endif